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2025-11-11 00:04:55 -06:00
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commit 40538eddfd
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export declare class SortedArray<T> {
private root;
private readonly comparator;
private readonly unique;
constructor(comparator: (a: T, b: T) => number, unique?: boolean);
push(...items: T[]): number;
get(index: number): T | undefined;
clear(): void;
firstIndexOf(data: T): number;
lastIndexOf(data: T): number;
count(data: T): number;
includes(data: T): boolean;
delete(value: T): boolean;
toArray(): T[];
shift(): T | undefined;
pop(): T | undefined;
min(): T | undefined;
max(): T | undefined;
get length(): number;
private _min;
private _max;
private find;
private findIndex;
private height;
private _size;
private _insert;
private getBalance;
private rightRotate;
private leftRotate;
private _delete;
private _toArray;
}

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SortedArray = void 0;
class SortedArray {
constructor(comparator, unique = false) {
this.comparator = comparator;
this.unique = unique;
this.root = undefined;
}
push(...items) {
for (const item of items) {
this.root = this._insert(item, this.root);
}
return this.length;
}
get(index) {
if (index < 0 || index >= this.length)
return undefined;
let node = this.root;
index++;
while (true) {
if (node.left) {
if (index <= this._size(node.left)) {
node = node.left;
continue;
}
index -= this._size(node.left);
}
if (index > 0 && index <= node.count)
break;
index -= node.count;
node = node.right;
}
return node.data;
}
clear() {
this.root = undefined;
}
firstIndexOf(data) {
return this.findIndex(data);
}
lastIndexOf(data) {
return this.findIndex(data, true);
}
count(data) {
var _a, _b;
return (_b = (_a = this.find(data)) === null || _a === void 0 ? void 0 : _a.count) !== null && _b !== void 0 ? _b : 0;
}
includes(data) {
return this.count(data) > 0;
}
delete(value) {
const oldLength = this.length;
this.root = this._delete(value, this.root);
return oldLength !== this.length;
}
toArray() {
return this._toArray(this.root);
}
shift() {
const min = this.min();
if (!min)
return undefined;
this.delete(min);
return min;
}
pop() {
const max = this.max();
if (!max)
return undefined;
this.delete(max);
return max;
}
min() {
return this._min(this.root);
}
max() {
return this._max(this.root);
}
get length() {
return this._size(this.root);
}
_min(node) {
if (!node)
return undefined;
let min = node.data;
while (node.left) {
min = node.left.data;
node = node.left;
}
return min;
}
_max(node) {
if (!node)
return undefined;
let max = node.data;
while (node.right) {
max = node.right.data;
node = node.right;
}
return max;
}
find(data) {
let node = this.root;
let comp;
while (node) {
comp = this.comparator(data, node.data);
if (comp > 0) {
node = node.right;
}
else if (comp < 0) {
node = node.left;
}
else {
return node;
}
}
return undefined;
}
findIndex(data, last = false) {
let node = this.root;
let index = 0;
let comp;
while (node) {
comp = this.comparator(data, node.data);
if (comp > 0) {
index += this._size(node.left) + node.count;
node = node.right;
}
else if (comp < 0) {
node = node.left;
}
else {
return index + this._size(node.left) + (last ? node.count - 1 : 0);
}
}
return -1;
}
height(node) {
return node ? node.height : 0;
}
_size(node) {
return node ? node.nbrOfChildren + node.count : 0;
}
_insert(data, node) {
if (!node) {
return {
data: data,
height: 1,
count: 1,
nbrOfChildren: 0,
};
}
const comp = this.comparator(data, node.data);
if (comp > 0) {
node.right = this._insert(data, node.right);
}
else if (comp < 0) {
node.left = this._insert(data, node.left);
}
else {
node.data = data;
if (!this.unique)
node.count++;
return node;
}
node.height = Math.max(this.height(node.left), this.height(node.right)) + 1;
node.nbrOfChildren = this._size(node.left) + this._size(node.right);
const balance = this.getBalance(node);
const compRight = node.right ? this.comparator(data, node.right.data) : 0;
const compLeft = node.left ? this.comparator(data, node.left.data) : 0;
if (node.left && balance > 1 && compLeft < 0) {
return this.rightRotate(node);
}
if (node.right && balance < -1 && compRight > 0) {
return this.leftRotate(node);
}
if (node.left && balance > 1 && compLeft > 0) {
node.left = this.leftRotate(node.left);
return this.rightRotate(node);
}
if (node.right && balance < -1 && compRight < 0) {
node.right = this.rightRotate(node.right);
return this.leftRotate(node);
}
return node;
}
getBalance(node) {
return node ? this.height(node.left) - this.height(node.right) : 0;
}
rightRotate(node) {
const aux = node.left;
node.left = aux.right;
aux.right = node;
node.height = Math.max(this.height(node.left), this.height(node.right)) + 1;
node.nbrOfChildren = this._size(node.left) + this._size(node.right);
aux.height = Math.max(this.height(aux.left), this.height(aux.right)) + 1;
aux.nbrOfChildren = this._size(aux.left) + this._size(aux.right);
return aux;
}
leftRotate(node) {
const aux = node.right;
node.right = aux.left;
aux.left = node;
node.height = Math.max(this.height(node.left), this.height(node.right)) + 1;
node.nbrOfChildren = this._size(node.left) + this._size(node.right);
aux.height = Math.max(this.height(aux.left), this.height(aux.right)) + 1;
aux.nbrOfChildren = this._size(aux.left) + this._size(aux.right);
return aux;
}
_delete(value, node, removed = false) {
if (!node)
return node;
const comp = this.comparator(value, node.data);
if (comp < 0) {
node.left = this._delete(value, node.left, removed);
}
else if (comp > 0) {
node.right = this._delete(value, node.right, removed);
}
else {
if (!removed)
node.count--;
if (!node.count || removed) {
if (!node.left) {
node = node.right;
}
else if (!node.right) {
node = node.left;
}
else {
node.data = this._min(node.right);
node.count = node.right.count;
node.right = this._delete(node.right.data, node.right, true);
}
}
}
if (!node)
return node;
node.height = Math.max(this.height(node.left), this.height(node.right)) + 1;
node.nbrOfChildren = this._size(node.left) + this._size(node.right);
const balance = this.getBalance(node);
if (balance > 1 && this.getBalance(node.left) >= 0) {
return this.rightRotate(node);
}
if (balance > 1 && this.getBalance(node.left) < 0) {
node.left = this.leftRotate(node.left);
return this.rightRotate(node);
}
if (balance < -1 && this.getBalance(node.right) <= 0) {
return this.leftRotate(node);
}
if (balance < -1 && this.getBalance(node.right) > 0) {
node.right = this.rightRotate(node.right);
return this.leftRotate(node);
}
return node;
}
_toArray(node) {
return node
? [...this._toArray(node.left), ...new Array(node.count).fill(node.data), ...this._toArray(node.right)]
: [];
}
}
exports.SortedArray = SortedArray;

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export * from './SortedArray';

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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", { value: true });
__exportStar(require("./SortedArray"), exports);